2130097997 has 2 divisors, whose sum is σ = 2130097998. Its totient is φ = 2130097996.

The previous prime is 2130097993. The next prime is 2130098027. The reversal of 2130097997 is 7997900312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2002204516 + 127893481 = 44746^2 + 11309^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130097997 - 2² = 2130097993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130097993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065048998 + 1065048999.

It is an arithmetic number, because the mean of its divisors is an integer number (1065048999).

Almost surely, 2^2130097997 is an apocalyptic number.

It is an amenable number.

2130097997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130097997 is an equidigital number, since it uses as much as digits as its factorization.

2130097997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 214326, while the sum is 47.

The square root of 2130097997 is about 46152.9847030504. The cubic root of 2130097997 is about 1286.6680829522.

The spelling of 2130097997 in words is "two billion, one hundred thirty million, ninety-seven thousand, nine hundred ninety-seven".